Developer & SEO Tools
Free online tools for formatting, conversion and analysis
Our Developer Tools
JSON Formatter
Format, validate and minify JSON with syntax highlighting
SQL Formatter
Format and beautify SQL queries
Base64 Encoder/Decoder
Encode and decode Base64 strings
JWT Debugger
Decode and validate JWT tokens
Regex Tester
Test regular expressions with live matches
Text Diff
Compare texts and find differences
Site Speed Check
Check website loading speed and performance metrics
Sitemap Generator
Generate XML sitemap for your website
DNS Lookup
Check DNS records for a domain
QR Code Generator
Create QR codes for URLs, text, WiFi, and more
Timestamp Converter
Convert between Unix timestamp and readable date
Color Converter
Convert between HEX, RGB, HSL, and CMYK colors
Password Generator
Generate strong, secure passwords instantly
Hash Generator
Generate MD5, SHA-256, SHA-1 hashes
Cron Parser
Decode cron expressions to readable format
Why Our Service?
Fast
All operations run instantly in your browser
Secure
Your data is not stored on our servers
Free
All tools are completely free
Responsive
Works on all devices
Why Choose Utility4dev?
๐ฏ Built for Developers
Every tool is designed with developers in mind. We understand the daily challenges you face and provide solutions that just work.
โก Lightning Fast
All tools work instantly in your browser. No uploads, no waiting, no registration. Just paste your data and get results.
๐ Privacy First
Your data never leaves your browser for most tools. We don't store, log, or share anything you process through our tools.